This 3D model was originally created with Sketchup 8 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 Roller door, military arsenal of San Fernando. 3ªEv work. by Jose Miguel Calcy and Miguel Perez (2nd Bach. Technology) in the course of TYC. Professor Jesús De Mula Gonzalez Riancho Institute of Secondary Education Sancti Petri, San Fernando Cadiz, Spain